From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

Harvard physicist Avi Loeb challenges NASA, suggesting the iron-rich composition of interstellar object 3I/ATLAS indicates ...

Nobody was expecting very strong energy dissipation inside Titan,” says Flavio Petricca, a postdoctoral fellow at NASA’s Jet ...

New details of deliberations show how aides with overlapping agendas drove the United States toward a militarized ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

As one of the most beloved traditions of contemporary 'Doctor Who' turns 20, we look back on why the special that started it ...

American space agency NASA said the Perseverance rover is good to go on Mars until at least 2031, both hardware and software ...

The year 2025 didn't deliver many financially successful sci‑fi films, but that doesn't mean it lacked standout releases. Add ...